1 Use a cock ring. 2  A very easy way to keep an erection is to use a cock ring during sex. 3  A cock ring is an adjustable plastic band that fits over the base of the penis and behind the testicles. 4  A cock ring gives a man a rock hard erection, and desensitizes the penis so he can keep an erection longer.
A Master Chief Petty Officer is a Senior Noncommissioned Officer, with a military paygrade of E-9. The civilian equivalent of this military rank is roughly GS-6 under the federal government's General Schedule payscale.
U. S. Air Force Senior Master Sgt. Randall L. Jones, 145th Civil Engineer Squadron, was promoted to the highest enlisted rank of chief master sergeant during a ceremony held in his honor at the North Carolina Air National Guard Base, Charlotte Douglas International Airport, Nov. 7, 2015.